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µ½SunÍøÕ¾ÏÂÔØ×Ô½âѹ°²×°°üjdk-xxxx.bin
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[root@RHEL4 JDK-1.5.0.06]# chmod +x jdk-xxxx.bin
[root@RHEL4 JDK-1.5.0.06]# ./jdk-xxxx.bin
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J2SDK°²×°Ä¿Â¼£º /usr/local/jdk
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ÔÚ ~/.bash_profile Àï¼ÓÈëÏÂÁм¸Ðл·¾³±äÁ¿¼´¿É£º
export JAVA_HOME=/usr/local/jdk
export PATH=$PATH:$JAVA_HOME/bin
export MANPATH=$JAVA_HOME/man
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/jre/lib/rt.jar
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mv /usr/bin/java /usr/bin/java.bak
ln -s /usr/local/jdk/bin/java /usr/bin/java
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[root@RHEL4 ~]# echo $JAVA_HOME
/usr/local/jdk
[root@RHEL4 ~]# echo $CLASSPATH
.:/usr/local/jdk/lib/dt.jar:/usr/local/jdk/lib/tools.jar:/usr/local/jdk/jre/lib/rt.jar
[root@RHEL4 ~]# echo $PATH
/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:/usr/local/jdk/bin:/home/lwg/bin:/usr/local/jdk/bin:/usr/local/jdk/bin
[root@RHEL4 ~]# java -version
java versio ......

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package playground;
import java.io.*;
public class MyException extends Exception {
  private int id; // a unique id
  private String classname; // the name of the class
  private String method; // the name of the method
  private String message; // a detailed message
  private MyException previous =
   null; // the exception which was caught
  private String separator = "\n"; // line separator
 
  public MyException(int id, String classname, String method,
    ......

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package com.tiantian;
import java.util.*;
public class JAVAContainer {
     public static void main(String[] args) throws Exception {
         //     ArrayList
         {
             ArrayList arraylist = new ArrayList();
             arraylist.add(0, "end");//Ö¸¶¨Ë÷Òý¼ÓÈëÖµ
             //     Ðè×¢ÒâµÄÊÇ£¬Èç¹ûÏÖÓÐ2¸öÖµ£¬ÎÒ¼ÓÈëË÷ÒýΪ5µÄÄÇô¾Í»á³öÏÖÒì³£
             for (int i = 0; i < 2; i++) {
                 arraylist.add(i, String. ......

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 import   java.util.LinkedList;  
   
  public   abstract   class   Manager   {  
   
          private   String   mThreadPoolName   =   null;  
   
          private   int   mThreadPoolMaxSize   =   1;  
   
          private   LinkedList   workers   =   new   LinkedList();  
   
          public   Manager()   {  
          }  
   
          public   Manager(String   name,   int   poolMaxSize)   {  
                  mThreadPoolName   =   name;  
                  createWork ......

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3¡¢¹¤¾ß£º±ØÐëÖÁÉÙÊìÁ·Ê¹ÓÃÒ»ÖÖIDEµÄ¿ª·¢¹¤¾ß£¬ÀýÈçEclipse¡¢Netbeans¡¢JBuilder¡¢Jdeveloper¡¢IDEA¡¢JCreator»òÕßWorkshop£¬°üÀ¨½øÐй¤³Ì¹ÜÀí¡¢³£ÓÃÑ¡ÏîµÄÉèÖᢲå¼þµÄ°²×°ÅäÖÃÒÔ¼°½øÐе÷ÊÔ¡£
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       JNIÊÇJava Native Interface(Java±¾µØ½Ó¿Ú)µÄËõд,±¾µØÊÇÏà¶ÔÓÚjava³ÌÐòÀ´ËµµÄ,Ö¸Ö±½ÓÔËÐÐÔÚ²Ù×÷ϵͳ֮ÉÏ,Óë²Ù×÷ϵͳֱ½Ó½»»¥µÄ³ÌÐò.´Ó1.1°æ±¾µÄJDK¿ªÊ¼,JNI¾Í×÷Ϊ±ê׼ƽ̨µÄÒ»²¿·Ö·¢ÐÐ.ÔÚJNI³öÏֵijõÆÚÊÇΪÁËJava³ÌÐòÓë±¾µØÒѱàÒëÓïÑÔ,ÓÈÆäÊÇCºÍC++µÄ»¥²Ù×÷¶øÉè¼ÆµÄ,ºóÀ´¾­¹ýÀ©Õ¹Ò²¿ÉÒÔÓëcºÍc++Ö®ÍâµÄÓïÑÔ±àдµÄ³ÌÐò½»»¥,ÀýÈçDelphi³ÌÐò.
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